US MARINE CORPS
John F Penn
July 25, 1930—April 4, 2017
GYSGT
Life Timeline
86 years1930
Born
July 25, 1930
US MARINE CORPS
Service Record
Korean War
Korean War
Conflict
GYSGT
2017
Passed Away
April 4, 2017
Service Record
Verified fields from cemetery source data.
Branch
US MARINE CORPS
Rank
GYSGT
War / Conflict
Korean War
Sourced from official cemetery data; last updated May 30, 2026.Learn more